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Skin Conditioning

HYDROLYZED ASPERGILLUS/SACCHAROMYCES/RICE FERMENT LEES EXTRACT

Updated
83

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A hydrolyzed sake lees extract from rice double-fermented with Aspergillus and Saccharomyces. Rich in amino acids and ferment byproducts. Long traditional cosmetic use; requires aflatoxin-controlled Aspergillus.

Function

SKIN CONDITIONING

Skin benefits

  • Hydrolyzed amino acids highly bioavailable to skin
  • Double fermentation (Aspergillus + Saccharomyces) increases metabolite diversity
  • Traditional Japanese cosmetic heritage (kasu)
  • Skin conditioning and moisture support

Known concerns

  • Aspergillus strain selection critical — must use cosmetic-grade non-aflatoxigenic strains
  • Allergy risk for severe rice or yeast sensitivities

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.